The actors that portray Jacqueline and Ian Carlyle are married in real life. (Gildart Jackson and Melora Hardin)
The women of Scarlet are loosely based on the women who run Cosmopolitan Magazine.
Melora Hardin, who plays Jacqueline, was celebrating her wedding anniversary on the same day that they filmed Jacqueline's wedding anniversary episode.
The main building is the same as in Suits, shooting the same facade angle and lobby entrance same way as in Suits. The building is in Toronto.
Many people, including cast members, did not know that Dan Jeanotte's character's real name is Ryan Dekker because he is rarely referred to as anything but Pinstripe.